Donncha,
Does this help? I posted this elsewhere before noticing this thread.
Like others here, scheduled posts are successfully published, but they don’t seem to trigger a clearing of the cache:
A post was scheduled to publish at 16:31:00, and did publish then. It could be accessed directly, but the main/index page was not updated/cleared.
16:28:08 /crain/wpsc11/wp-admin/edit.php Cookie detected: wordpress_logged_in_8530db1c189dc0fb8e3bf9a6bf8742e4
16:28:08 /crain/wpsc11/wp-admin/edit.php supercache dir: /#####/crain/wpsc11/wp-content/cache/supercache/####/crain/wpsc11/wp-admin/edit.php/
16:28:08 /crain/wpsc11/wp-admin/edit.php No wp-cache file exists. Must generate a new one.
16:28:08 /crain/wpsc11/wp-admin/edit.php Cookie detected: wordpress_logged_in_8530db1c189dc0fb8e3bf9a6bf8742e4
16:28:08 /crain/wpsc11/wp-admin/edit.php In WP Cache Phase 2
16:28:08 /crain/wpsc11/wp-admin/edit.php Setting up WordPress actions
16:28:08 /crain/wpsc11/wp-admin/edit.php Not caching wp-admin requests.
16:28:09 /crain/wpsc11/wp-admin/admin-ajax.php Cookie detected: wordpress_logged_in_8530db1c189dc0fb8e3bf9a6bf8742e4
16:28:09 /crain/wpsc11/wp-admin/admin-ajax.php In WP Cache Phase 2
16:28:09 /crain/wpsc11/wp-admin/admin-ajax.php Setting up WordPress actions
16:28:09 /crain/wpsc11/wp-admin/admin-ajax.php Not caching wp-admin requests.
16:32:44 /crain/wpsc11/wp-admin/edit.php Cookie detected: wordpress_logged_in_8530db1c189dc0fb8e3bf9a6bf8742e4
16:32:44 /crain/wpsc11/wp-admin/edit.php supercache dir: /#####/crain/wpsc11/wp-content/cache/supercache/####/crain/wpsc11/wp-admin/edit.php/
16:32:44 /crain/wpsc11/wp-admin/edit.php No wp-cache file exists. Must generate a new one.
16:32:44 /crain/wpsc11/wp-admin/edit.php Cookie detected: wordpress_logged_in_8530db1c189dc0fb8e3bf9a6bf8742e4
16:32:44 /crain/wpsc11/wp-admin/edit.php In WP Cache Phase 2
16:32:44 /crain/wpsc11/wp-admin/edit.php Setting up WordPress actions
16:32:44 /crain/wpsc11/wp-admin/edit.php Not caching wp-admin requests.
16:32:44 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 In WP Cache Phase 2
16:32:44 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 Setting up WordPress actions
16:32:44 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 Not caching POST request.
16:32:45 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 wp_cache_post_edit: draft post, not deleting any cache files.
16:32:45 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 wp_cache_post_change: draft post, not deleting any cache files.
16:32:45 /crain/wpsc11/wp-cron.php?doing_wp_cron=1338913964 wp_cache_post_edit: draft post, not deleting any cache files.
Thanks very much!